(19)
(11) EP 0 476 736 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.06.1992 Bulletin 1992/26

(43) Date of publication A2:
25.03.1992 Bulletin 1992/13

(21) Application number: 91202154.0

(22) Date of filing: 22.08.1991
(51) International Patent Classification (IPC)5: B01L 3/02
(84) Designated Contracting States:
BE DE DK FR GB IT LU NL SE

(30) Priority: 27.08.1990 US 572576

(71) Applicant: EASTMAN KODAK COMPANY
Rochester, New York 14650-2201 (US)

(72) Inventors:
  • Reifler, Angela Harriet, c/o EASTMAN KODAK COMPANY
    Rochester New York 14650-2201 (US)
  • Norkus, Norbert Sarunas, c/o EASTMAN KODAK COMPANY
    Rochester New York 14650-2201 (US)

(74) Representative: Phillips, Margaret Dawn et al
Kodak Limited Patent Department Headstone Drive
Harrow, Middlesex HA1 4TY
Harrow, Middlesex HA1 4TY (GB)


(56) References cited: : 
   
       


    (54) Pipettes


    (57) Many diagnostic tests require prior filtration as a preliminary step. This prior filtration is normally accomplished using filter paper, a funnel and a collection vessel from which the sample is then used for testing. Described herein is a pipette (10) allows steps of collection, filtration and dispensing to be accomplished from a single device. The pipette (10) comprises a flexible tube portion (12) having an integrally formed squeezable bulb portion (14), a spring clip (16) arranged between the ends (18, 20) of the pipette (10) to inhibit air from being aspirated into the pipette (10) and a filter (22) at the inlet end (18) of the pipette (10). The pipette (10) is folded prior to the aspiration of the sample and then unfolded to effect dispensing.






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